CVE-2026-53827 | THREATINT

Description

OpenClaw before 2026.5.2 contains a credential exposure vulnerability in message.action forwarding that allows model-controlled metadata to forward action payloads with Gateway credentials to attacker-supplied loopback URLs. Remote attackers can intercept Gateway tokens and action payloads by providing malicious loopback targets through model-controlled action metadata.

PUBLISHED Reserved 2026-06-10 | Published 2026-06-12 | Updated 2026-06-15 | Assigner VulnCheck

MEDIUM: 6.0CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Problem types

Server-Side Request Forgery (SSRF)

Product status

Default status

unaffected

Any version before 2026.5.2

affected

2026.5.2 (semver)

unaffected

Credits

Anshuman Bhartiya (@anshumanbh) reporter

References

github.com/...enclaw/security/advisories/GHSA-grc3-2j34-p6gm (GitHub Security Advisory (GHSA-grc3-2j34-p6gm)) vendor-advisory

www.vulncheck.com/...pback-urls-in-message-action-forwarding (VulnCheck Advisory: OpenClaw < 2026.5.2 - Credential Exposure via Model-Supplied Loopback URLs in message.action Forwarding) third-party-advisory

cve.org (CVE-2026-53827)

nvd.nist.gov (CVE-2026-53827)

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